chenlinzhong commented on a change in pull request #8604:
URL: https://github.com/apache/incubator-doris/pull/8604#discussion_r833438547
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File path: be/src/exec/broker_scanner.cpp
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@@ -161,6 +193,11 @@ Status BrokerScanner::open_file_reader() {
if (start_offset != 0) {
start_offset -= 1;
}
+ //means first range
+ if (start_offset == 0){
Review comment:
> if start_offset=1, then in line 194, it will be set to start_offset=0.
>
> it is still first range?
Yes, the reason for subtracting 1 is that offset is plus 1 in the FE
calculation (bytesperinstance = totalbytes / numinstances + 1), so for the
first range start_offset is always 0, and other range will not be 0
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